libobs: Add obs_encoder_video_tex_active()

libobs/obs-encoder.c

@@ -2068,3 +2068,16 @@ void obs_encoder_group_destroy(obs_encoder_group_t *group)
 
 	obs_encoder_group_actually_destroy(group);
 }
+
+bool obs_encoder_video_tex_active(const obs_encoder_t *encoder,
+				  enum video_format format)
+{
+	struct obs_core_video_mix *mix = get_mix_for_video(encoder->media);
+
+	if (format == VIDEO_FORMAT_NV12)
+		return mix->using_nv12_tex;
+	if (format == VIDEO_FORMAT_P010)
+		return mix->using_p010_tex;
+
+	return false;
+}

libobs/obs.h

@@ -2300,6 +2300,9 @@ EXPORT video_t *obs_encoder_video(const obs_encoder_t *encoder);
  */
 EXPORT video_t *obs_encoder_parent_video(const obs_encoder_t *encoder);
 
+/** Returns if the encoder's video output context supports shared textures for the specified video format. */
+EXPORT bool obs_encoder_video_tex_active(const obs_encoder_t *encoder, enum video_format format);
+
 /**
  * Returns the audio output context used with this encoder, or NULL if not
  * a audio context